Summary #1076

First-principles calculations shed light on semiconductor defects

physicsworld.com
  • Researchers discover potential defects in ‘the world’s second-favorite semiconductor’ — gallium nitride (GaN), used in satellites, space crafts, and nuclear devices.
  • All of these uses expose GaN to high-energy particle irradiation, leading to a lot of different issues, some of which are grouped as “defect pairs”.
  • Studying all the 21 different types of defect pairs that can form, researchers decided to perform first-principles calculations.
  • The results of these calculations will be fundamental for future multiscale simulations of radiation damages to GaN semiconductors.
  • All of this data will help scientists engineer GaN-based devices with longer lifetimes, and resistant to radiation.

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